Search a number
-
+
1202210220220 = 22560110511011
BaseRepresentation
bin10001011111101001010…
…100000010100010111100
311020221010002121221010121
4101133221110002202330
5124144111304021340
62320142053144324
7152566614156532
oct21375124024274
94227102557117
101202210220220
11423944367279
12174bb592b0a4
13894a2487219
1442289ca6152
1521413c7594a
hex117e95028bc

1202210220220 has 12 divisors (see below), whose sum is σ = 2524641462504. Its totient is φ = 480884088080.

The previous prime is 1202210220217. The next prime is 1202210220247. The reversal of 1202210220220 is 220220122021.

It is a junction number, because it is equal to n+sod(n) for n = 1202210220194 and 1202210220203.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30055255486 + ... + 30055255525.

It is an arithmetic number, because the mean of its divisors is an integer number (210386788542).

Almost surely, 21202210220220 is an apocalyptic number.

1202210220220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1202210220220 is an abundant number, since it is smaller than the sum of its proper divisors (1322431242284).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1202210220220 is a wasteful number, since it uses less digits than its factorization.

1202210220220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60110511020 (or 60110511018 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 1202210220220 its reverse (220220122021), we get a palindrome (1422430342241).

The spelling of 1202210220220 in words is "one trillion, two hundred two billion, two hundred ten million, two hundred twenty thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 60110511011 120221022022 240442044044 300552555055 601105110110 1202210220220